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Propagation of Sound Waves — PHYSICS STD 9 — Question

ICSE BoardEnglish MediumSTD 9PHYSICSPropagation of Sound Waves2 Marks
Question
Guess which sound has a higher pitch: guitar or car horn?
✓

Answer

The frequency of the vibration of a sound produced by a guitar is greater than that produced by a car horn. Since the pitch of a sound is proportional to its frequency, the guitar has a higher pitch than a car horn.

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